/*
 ************************************************************************************
 * Copyright (C) 2001-2011 encuestame: system online surveys Copyright (C) 2011
 * encuestame Development Team.
 * Licensed under the Apache Software License version 2.0
 * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to  in writing,  software  distributed
 * under the License is distributed  on  an  "AS IS"  BASIS,  WITHOUT  WARRANTIES  OR
 * CONDITIONS OF ANY KIND, either  express  or  implied.  See  the  License  for  the
 * specific language governing permissions and limitations under the License.
 ************************************************************************************
 */
package org.encuestame.persistence.dao.jdbc;

import org.springframework.dao.DataAccessException;

/**
 * Have a installation support.
 * @author Picado, Juan juanATencuestame.org
 * @since Mar 19, 2011
 */
public interface InstallerOperations {

    /**
     * Start database installations.
     * @param sql
     */
    void executeSql(String sql) throws DataAccessException;


    /**
     * Execute sql
     */
    void executeInitialData();

    /**
     * Check database connection.
     * @return 1 if connection is successfull.
     */
    int checkDatabaseConection();

    /**
     * Verify several tables if database are installed.
     * @return
     */
    boolean checkIfDatabaseIsInstalled();
}
